Sole-molding machine



No. 627,122. Patented June 20, I899. W. B. KEIGHLEY;

SOLE MOLDING MACHINE.

(Application filed May 24, 1898.)

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YNl NORms PETERS 00,, PHDTOLIYIfD-v WASHINGTON a. c.

9 9 w 0 2 e n u I. d 8 n 8 t a P E L H G F. K B W 9 m 7 2 6 m N SOLEMOLDING MACHINE.

(Application filed May 24, 189B.)

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Hl IUKNEYS.

WITNESSES:

"ma Norms PETERS co, PHOYD-LITKO, WASHINGTON n. c.

N0. 627,!22. Patented June 20, I899.

W, B. KEIGHLEY.

SOLE MOLDING MACHINE.

(Application filed May 24, 1898.)

(N o M 0d 9! 1 3 Sheets-Sheet 3.

M 4 v VWMMZ ATTORNEYS.

STATES PATENT OFFICE.

WILLIAM B. KEIGHLEY, OF VINELAND, NEW JERSEY.

SOLE-MOLDING MACHINE.

SPECIFICATION forming part of Letters Patent No. 627,122, dated June 20,1899.

Application filed May 24,1898. Serial No. 681,593. (No model.) I I Toall whom it may concern:

Be it known that 1, WILLIAM B. KEIGHLEY, a citizen of the UnitedStates,residin g at Vineland, in the county of Cumberland, State of NewJersey, have invented Ia new and useful Improvement in Sole-MoldingMachines, which improvement is fully set forth in the followingspecification and accompanying drawings.

My invention relates to certain improvements in gripper attachments forsole-molding machines, whereby the sole is held against displacementfrom the molds during the operation of molding, the object being toprovide in a simple and inexpensive manner a novel and effective deviceof this character which is readily applicable to most ofth'e solemoldingmachines at present in use and which is so arranged that the gripperdevices will be automatically operated to grip the sole and to releasethe same after the sole has been properly molded. It also providessimple and convenient gaging devices whereby soles of varying sizes maybe molded from one set of molds and the same uniformity maintainedthroughout after said gaging devices have been properly adjusted to moldany particular size.

It consists, substantially, of a mold, a gaging device to adjust thesame for varying sizes of soles, a gripper attachment adjacent thereto,and means for automatically operating said gripper attachment to gripthe sole and hold the same against displacement.

It further consists of the novel details of construction, all as will behereinafter fully described, and particularly pointedout in the claims.

Figure 1 represents a front elevation of a sole-molding machine havingmy invention applied thereto. Fig. 2 represents ,adetail plan view of aslide to be described, showing the. lower mold in place thereon and myinvention applied thereto. Fig. 3 represents a vertical section taken onthe line a: at of Fig. 1, showing'the molds thereon in the act ofpressing the sole. Fig. 4: represents a perspeotive view of the lowermold with my improved gripper attachment and gage applied thereto.v Fig.5 representsa similar view of the upper mold. Fig. 6 represents avertical longitudinal section of the heel portion of the machine only,(of which there'are two,) showing only such parts as will enable othersto fully comprehend the same.

1 designates the frame whichsnpports the main driving-shaft 2, acounter-shaft 3, a crank-shafta, and a rock-shaft 5, the latter beingprovided with a loosely-mounted bellcrank lever 6,adapted to rockthereon through the action of the rod 7, which connects with i one endthereof and with a crank 8 0n the crank-shaft 4, by which means itreceives its motion. The opposite endof the bell-crank lever 6 isconnected by means of a couplinglinlr 9 to a vertically-disposed slidingframe 10, having upon its upper extremity a horizontal guideway 11,adapted to receive therein and guide a sliding carriage 12, on whichlatter the lower mold 13 is removably held. The rear end of the sliding.carriage 12 is provided with a perforated block 14, to which ispivotally secured one end of an adjustable connecting-rod 15, theopposite end of which is secured to an arm or lever 16, loosely mountedupon a shaft 17, journaled in the frame 1.

18 designates a spring connection between the bell-crank lever 6 and thelower end of the arm or lever 16, the object of which is to giveaneasier movement to the sliding carriage and to compensate for anyexcess of motion of the bell-crank lever, it being evident that as thecrank rotatesthe bell-crank lever will, through the mechanism justdescribed, lower' the frame 10 and gradually move the sliding carriage12 and connected mold l3 outwardly to receive thereon the soleblank tobe molded.

Motion is imparted to the crank-shaft 4 through the media of agear-wheel 19, secured to one end thereof, and a pinion 20, secured tothe counter-shaft and intermeshing therewith, the latter receiving itsmotion from the gear-wheel 21, also secured to the countershaft, thesame in turn being driven by a pinion 22, carried by the driving-shaft.Thus as the latter is rotated to put the operative parts into motion thesliding carriage is alternately raised and lowered and moved outwardlyand inwardly at the proper intervals.

23 designates dowels projecting from the sliding carriage and adapted toenter sockets 24 in the base of the lower mold 13 in order that theirrelative position may be firmly maintained and that they may be easilyremoved when necessary.

The heel portion of the mold 13 is provided with a longitudinal slot 25,adapted to receive therein a gaging device 26, composed of a block 27,which projects above the surface of the mold and acts as an abutmentagainstwhich the heel of the sole contacts, the said block having a stemor rod 28, projecting therefrom, adapted to enter a suitable socket 29,wherein it is adjustably secured by means of the set-screw 30. Thesurface of the mold adjacent the walls of the slot is graduated on bothsides and in such manner that any predetermined size of sole within thecapacity of the mold may be operated upon by adjusting the saidgage-block into alinement or register with the proper gradation.

31 designates a bar a-djustably supported in a socket 32, formed in theheel portion of the lower mold, and projecting sufficiently beyond theend thereof receives upon it an adjustable block 33, the said blockbeing adapted to support a rock-shaft 34, to one end of which a gripper35 is secured, the latter being slotted at 36 to admit a screw 37,whereby the said gripper may be adjusted to grip the sole at any desiredor convenient spot. To the opposite end of the rock-shaft 34 is securedan arm 38, which extends rearward and downwardly, its extremity restingupon a cam-bar-39, two of which are secured to the frame 10, one at eachside of and adjacent the mold 13, as clearly shown in Figs. 1 and 2. Inactual practice one of these cam-bars is preferably omitted, but undercertain conditions two may be employed, in which event of course anotherarm 38 will be provided at the opposite end of the rock-shaft, as shownin dotted lines in Fig. 2. A setscrew 33 serves to hold the block 33 inplace on the bar 31 and permits of the adjustment of the grippingdevices when desired.

40 designates a set-screw which engages a threaded opening in the moldand impinges the bar 31 and so secures it in place within the socket 32and admits of the adjustment of the gripper devices, as will be evident.

It will be observed by reference to Figs. 2

and 3 that the cam-bars39 are bent upwardly intermediate of their ends,as indicated at 41, from which point they extend rearwardly in ahorizontal plane, it being obvious, therefore, that as the slidingcarriage 12 and its mold 13 are moved rearwardly, as described, the armor arms 38 will ride up the bent portions of the bars 39 and rock theshaft 34, thus actuating the gripper to grip the sole,

which grip is retained until the sole has been properly molded, afterwhich the forward movement of the sliding carriage will cause the arm orarms 38 to ride down saidinclines, and by their own weight the gripperwill be moved to release its contact with the sole.

The upper mold 41, which is held in the head-block 42 of the frame 1, isprovided in the heel portion thereof with a longitudinal slot 43, whichwhen the said mold is in the proper relative position with the lowermold is in vertical alinement with the gripper 35, which latter normallyprojects above the level of the mold and enters said slot 43 when themolds approach each other, thus allowing the abutting surfaces thereofto close in upon the sole and mold it, as will be readily understood.

In Fig. 7 I have shown a somewhat different form of mold, the same beingespecially designed for use in molding spring or wedge soles, it beingobserved in this construction that a perceptible rise occurs at thatportion of the mold between the heel and too, as indicated at 44, whichformation is necessary in order that the additional stock and consequentincreased thickness in the heel portion of the sole may be compensatedfor. The

gaging device hereinbefore described is also a set-screw 49, whichengages a threaded opening in the front or toe portion of the mold, andby means of which screw the frame 45 may be adjusted to and fro to moldsoles of varying sizes. In adjusting this form of gage the frame 45 ismoved to bring the bar 48 in such position that the heel of thewedgesole will fit snugly between it and the rise or shoulder 44, afterwhich the molding process can begin, it being understood that as thesizes of the soles increase the stock forming the heel becomes longer,and vice versa. Thus the graduations hereinbefore described are notnecessary, as the length of stock in the heel serves for all practicalpurposes in gaging the different sizes.

The gripping device described will be used in connection with this mold,and the slot or opening in the upper mold will of course be unnecessary.

From the foregoing it will be seen that my invention provides in anefiective and economical manner a gripper attachment which is positivein its operation and which will securely hold the solo in place upon themold during the operation of molding, thus insuring against all possiblechances of displacement thereof and a consequent destruction of thesole. At the same time a succession of soles maybe molded in a-uniformand perfect manner, an accomplishment hitherto found impossible inheel-molding machines.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is-

1. In a sole-molding machine, the combination of an upper and lowermold, the latter being vertically and laterally movable, agripper devicearranged adjacent to said molds, a recess in one of said molds adaptedto receive said gripper device and means for actuating said gripperdevice.

2. In a sole-molding machine, a pluralityof molds, one of the latterhaving a recess therein, a gripper device arranged adjacentto saidrecess, and operating therein, said gripper device being adapted to gripthe sole during the act of molding, and means for automaticallyoperating said gripper device.

3. In asole-molding machine, an upper and lower mold, means foractuating said lower mold, the latter havingaslot therein provided withgraduations adjacent thereto, an adjustable gaging device located insaid slot, a gripper device supported by said lower mold and means foractuating the latter and said gripper device.

4:..In a sole-molding machine, upper and lower molds, a gripper devicesupported upon said lower mold and adapted to grip and hold the sole,means foradjusting said gripper device and means for actuating the same.

5. In a sole-molding machine, upper and lower molds, a gripper devicesupported upon said lower mold and adapted to grip and hold the sole, agaging device for said sole, and means for actuating the said gripperdevice.

6. In a sole-molding machine, a gripper device pivotally and adjustablysupported upon one of the molds thereof and adapted to grip and hold thesole, a gaging device adjacent to said molds and capable of movement toaccommodate soles of varying sizes, and means for automaticallyactuating said gripper devices.

7. In a sole-molding machine, a mold having a slot, a gaging deviceadjustable within said slot, a gripper device pivotally and adjustablysupported by said mold, and means for actuating said gripper devices togrip and hold the sole against displacement.

8. In a sole-molding machine, a mold having an adjustable gaging deviceadjacent thereto, a gripper adjustably mounted upon and supported byarock-shaft, and an arm or arms secured to said rock-shaft and adapted toengage cam-bars, whereby the gripper is actuated to grip and release thesole.

9. In a sole-molding machine, a mold supported therein and adapted toslide back and forth, a gripper ad j ustably mounted upon and supportedby a shaft, an arm or arms secured to said shaft and adapted to movewith said mold, and cam-bars with which said arms engage and actuate thegripper to grip or release the sole. V r

10. In a solemolding machine, a lower mold supported therein having aslot with graduations at each side thereof, a gaging device adjustablein said slot, a screw for holding said gaging device against movement, agripper secured to a rock-shaft and supported by said mold, said gripperhaving a slot therein, a screw for said slot whereby said gripper ismade adjustable on said rock-shaft, an arm or arms secured to the latterand adapted. to engage cam-bars, whereby the gripper is actuated to gripand release the sole and an upper mold havinga slot therein insubstantially vertical alinement with said gripper.

11. In a sole-molding machine, an upper mold, alower mold, means forraising and lowering and imparting lateral movement to said latter mold,an adjustable gripper suitably supported, a slot in said upper mold forthe reception of said gripper and means for actuating the latter.

12. In a sole molding machine, a lower mold, means for actuating thelatter, a slot in the upper portion thereof, graduations adjacent a sideof said slot, at gage-block movable in said slot, a rod attached to saidblock and movable in a suitable socket and a setscrew or similar devicefor locking said rod and block in desired position.

13. The combination of an upper and lower mold, a gripper device carriedby said lower mold, means for rocking said gripper device so that thelatter engages a sole during the act of molding, and means forreciprocating and raising and lowering said lower mold.

14:. In a sole-molding machine, an upper mold, a lower mold having aslot with gradlu ations at a side thereof, an adjustable gaging devicein said slot, arock-shaft supported by said mold, an adjustable grippermounted on said rock-shaft, an arm secured to the latter and adapted toengage a cam-bar, whereby said gripper is actuated and means foractuating said lower mold.

15. In a sole-molding machine, an upper and lower mold, said upper moldbeing stationary, means for raising and lowering and imparting lateralmotion to said lower mold, a gripping device carried by the latter, arecess in the uppermold adapted to receive said gripping device, andmeans for actuating the latter.

WILLIAM B. KEIGHLEY.

Witnesses:

M. F. CLARK, W. E. HUGHES.

